PubMed:32077659 / 1802-1806
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T285","span":{"begin":0,"end":4},"obj":"VBD"}],"text":"were"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok302","span":{"begin":0,"end":4},"obj":"VBD"}],"text":"were"}